<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
      xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity3">
<head>
  <title>Hello World!</title>
</head>
<body>
<h1>Hello world!</h1>
<p th:text="${userName}">空</p>
<p th:text="${testName}">123测试</p>
<p th:if="${t2}" th:text="${t2}">t2</p>
<p th:if="${t3}" th:text="${t3}">t3</p>
<form action="/ut" method="post"  enctype="multipart/form-data">
  <input type="text" name="name" />
  <input type="file" name="file" />
  <input type="submit" value="submit" />
</form>
</body>
</html>